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Hi there i have just fitted an afterburner vortex back box and taken it for a spin it does sound really good but i noticed under hard acceleration it had a whistle is this normal ? Thanks
Is the system fully decatted or do you still have the oe centre section & STD cat
Under hard acceleration it should be more of a rumble than a whistle providing it is a full .
I have got standard cats and centre exhaust. The whistle does seem to go after a couple of seconds i was wondering because i brought the back box second hand.
I have got standard cats and centre exhaust. The whistle does seem to go after a couple of seconds i was wondering because i brought the back box second hand.
Nothing at all to do with 2nd hand , i bought a vortex for my mate off tazz 2 weeks ago and it sounds like thunder ,but it dont pop like my vortex does due to him having the std cat fitted. As said above probably turbo whistle momentarily .
get a full decat and u will have more roar, just took mine off to fit a nur spec, now thats loud, so anyone want full decat with vortex drop me a pm, real awesome exhaust